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# General Utility functions.
# Copyright (C) 2019 Free Software Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import sys
class DebugUtil:
debug = False
def __init__(self, debug):
self.debug = debug
def eprint(self, *args, **kwargs):
''' Print to stderr.
'''
print(*args, file=sys.stderr, **kwargs)
def print(self, *args, **kwargs):
''' Convenience function to print diagnostic information in the program.
'''
if self.debug:
self.eprint(*args, **kwargs)
def decode(string):
''' Attempt to decode a string.
Decode a string read from the source file. The multiple attempts are needed
due to the presence of the page break characters and some tests in locales.
'''
codecs = ['utf8', 'latin1', 'cp1252']
for i in codecs:
try:
return string.decode(i)
except UnicodeDecodeError:
pass
DebugUtil.eprint('Failed to decode: %s' % string)
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